Adult echinoderms have five-point radial symmetry and include sea stars, sea urchins, and sea cucumbers. They are the largest phylum that has no freshwater or terrestrial (land-based) representatives.
Cushion star, Culcita novaeguineae
Granulated sea star, Choriaster granulatus
Galathea sea star, Nardoa galatheae
Linckia sea star, Linckia multifora
Indian sea star, Fromia indica
Noduled sea star, Fromia nodosa
Red-spined brittle star, Ophiothrix purpurea
Pinkish sea cucumber, Holothuria edulis
Black-spotted sea cucumber, Pearsonothuria graeffei
Black & white feather star, Cenometra bella
Grinding sea urchin, Echinostrephus molaris
Blue-black sea urchin, Echinothrix diadema
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Last modified 3 February 2018